• A murder of crows
• A flock of seagulls
• A pompadour of Seagulls
• A sleuth of bears
• An OMG of birthdays
• A charm of hummingbirds
• A lounge of lizards
• A bordello of Lindsays
• A glint of goldfish
• A rabble of butterflies
• An awkwardness of being
• A nuisance of cats
• A tweeze of eyebrows
• A melting of crayons
• A crèche of penguins
• A flush of ducks
• A hush of fucks
• A crash of hippopotami
• An unkindness of ravens
• A St. Clemens of bells
• A bandage of knives
• An effery of cohorts
• A descent of woodpeckers
• A necessity of laundry

And surely you can think of more, in the comments. …